The length, breadth and thickness of a block are given by l=12 cm, b = 6 cm and t=2.45 cm. The volume of the block according to the idea of significant figures should be
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a
1 x 102 cm3
b
2x 102 cm3
c
1.763x 102 cm3
d
none of these
answer is B.
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Detailed Solution
V = Ixbxt∴V=12×6×2⋅45=176⋅4cm3=1⋅764×102cm3There is one significant figure in breadth. Hence, thevolume in significant figure will be 2×102cm3.